1521552

Information

• Patent Grant
• 1521552

• References
• Source

• Patent Number

  1,521,552

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1924
  100 years ago

• CPC

  • C11C5/021 - by compressing solid materials in a mould without heating

• US Classifications

  • 249 - Static molds